Glass-drawing furnace.



I. a, RALSTON & J. BRIGGS.

GLASS DRAWING FURNACE.

APPLIOATION FILED 0012s, 1909.

Patented May I1? 1910.

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I. J. RALSTON & J. BRIGGS.

GLASS DRAWING FURNACE.

- APPLICATION FILED 00128, 1909.

Patented May 17, 1910.

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WITNESSES may be 618111; manner, I aimn S32E11 fmwsnlsmn is to mace, with 21s v Ll16 mated-111g lan View, the egtenslon lz-niltahl imgmenrged verllcal l, thim gh vermcai through k the lens-t and 0 1s a plzm VI-8W o'l a Lmusas; m P

attached .V'l *rly he the sepw 15 W104i Indicates a fur D6 0f any suitable and preferably consists masonry reinforced by which are sacu'red t0- le manner, as by means 2' Z. 011 my 02 all 01? 1 L there is provided of sulmble 1 L 2 gather in an of acl'justahl the sides :2 suitable e;

rial. 1 30. 568,30

5 afull,

mulls math 5 plah: 8, ALMA also en ages an lmcles'lzzfvs 2, which are low:

I ARTE, PlLNNEfL ETELNACE.

of Letters IFa'tm. J, 1 Q) .fiividcd and this application filed October 25 Seri l lo. 525304;.

iro'im which 'lhc glass cyli'l'ulm's may he form of arched imzlusm'es, ench'hnving an opening 6 in 'l'he end thereof, in perm'i mcav s to lheinterior of the dog-lumsc and the furmace proper. 1

l'nflberinwllale the (l0g-l10usQs., l'hcr are previded-a plumlil' of Walls 7, Whivh are lmiix up above the level of lhe bath in the extensionfzmd provide a means "for pg'ul'ecling lilli) tvd l'llifii'ili'l for 'all of ill P furnace. s of the milky of summrl'ing The main l l Between The Walls I and l'he wz: b a, there are left :1 pl pen baths, from) which :1 ph

ylinders may lm drawn. I

udapl ed rolm protccled by Suitable cof l' lates 8, which are adapted in he supported in any suitable mzn'mer on the from Wall the extension -1 and on the \lls l wh pmt-ecl the UHClQSl'Hy There is g novio in each of these covw-nlafies a sui'tahl opening 9, through Whicl glass cylinm, may be drawn,

In order that the scum on the surface the glass lmah may not be drawn 1m h' Flaw-drawing mechanism; and in order J firm & cylinder of clea- ,a11d ul'liform 5111011. tum, there is 1 lded glurality 10, preferably lnhree eachw which are adapted to be successively l in -s stantial aiinement 0" 9 in 'Lhe coverrplaxfies rings 1% in sul'lstzmli-ial.

qlity 01' These lJiI'lLllF;

. l LL13 openings 9, them is pmvidet a su'lable boat 11, Wluch is in the form 0f 2 ring having an ouuwardly-fi vred lwtlmn Sligl'l 'lj lm than the firing and in "which ll 1 is adapted to mm. The hsot l1 remmr sunpmled by any sul'iable mezlns mmlons 12, on a rang-support 13, "w plvoted 111 any smtable n'mmmr l0 5h?- 8 as at 14-, and 15 S11 .lahly c01111ter-wew by means of an 2l(l]l1Sl;2LlJi w-clghi 13 secured to an extenslon of the Suppl .1 on 'lhc opposl'te slde 0i l'tS plvol-pmnl; 1 l-v various adjusted positions pla ce 8 by means of 2L pin 13, which is adapted 50 enge suitable openings in a bracket 16, secured in any welldznown manna: to 'hhe i eration without any unnecessary delay.

Having thus described our lnvention, we claim as new and desire to secure by Letters Patent: 1

1. In a device of the'class described, the

. combination with a'fu'rnace, of an extension combination with a furnace, of an extension on said furnace having aplurality of drawing baths, and a plurality of dog-houses j uxtaposed to said baths.

2. Ina deviceof the class described, the

' on said furnace, a plurality of dog-houses -on said extension, and a plurality of drawing baths interposed between said doghouses.

3. The combination with a furnace, of an extension on said furnace, a plurality of doghouses' on said extension having a plurality of drawing baths interposed between them, and a coveriplate for each of said baths havinias opening therein.

in a device of the class described, the combination with a furnace, of an extension onsaid furnace havin a plurality of drawa ing baths, and a plur 'ty of do 7 -houses juxtapo'scd to said baths, said dog houses bein in communication with saidvbaths and said furnaces, whereby a plurality of interchangeable rings may be manipulated succexively between said baths and said fur- 111166.

5. In a device of the class described, the combination with'a furnace, of an extension on said furnace, having a drawin bath, and a dog-house arranged alongside 0 said bath, said dog-house being in communication with said bath and said-furnace, whereby a plurality of interchangeable rings may be successively manipulated between said bath and said furnace.

6. In a device of the class described, the combination with a furnace, of a drawing bath on-said furnace, a cover plate for said drawing bath, having an opening therein, a support adjustably connected to said coverplate in juxtaposition to said opening, and a boot pivotally connected to said support on a horizontal axis.

7.v In a device of the class described, the combination with a furnace, having a drawing bath, of a cover-plate for said drawing bath, having an opening therein, a support pivotally connected to said plate, means for adjusting said support, means for locking said support in any adjusted position, and a boot swingingly connected to said support.

8. In adevice of the class described, the combination with a furnace, having a drawing bath, of a cover-plate forsaid drawing bath, having an opening therein, a support pivotally connecte to said plate, means for adjusting said support, means for locking said support in any adjusted position, and a boot swingingly connected to said support, said boot being flared at the bottom, whereby it is adapted to successively hold in cooperation therewith a plurality of interchangeable rin-gs.

In testimony whereof we have signed. our

names to this specification in the presence of two subscribing witnesses.

ISAAC J. RALSTON. JESSE BRIGGS. 

